1011201211967 has 2 divisors, whose sum is σ = 1011201211968. Its totient is φ = 1011201211966.

The previous prime is 1011201211963. The next prime is 1011201212059. The reversal of 1011201211967 is 7691121021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011201211967 - 2² = 1011201211963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011201211963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600605983 + 505600605984.

It is an arithmetic number, because the mean of its divisors is an integer number (505600605984).

Almost surely, 2^{1011201211967} is an apocalyptic number.

1011201211967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201211967 is an equidigital number, since it uses as much as digits as its factorization.

1011201211967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 32.

The spelling of 1011201211967 in words is "one trillion, eleven billion, two hundred one million, two hundred eleven thousand, nine hundred sixty-seven".